Flexible cement composition



COATING R PLASTIC. Examine weeni 22, 1&5. 1,566,917

UNITED STATES PATENT OFFICE.

OLAF OLESEN, OF NEW YORK, N. Y.

FLEXIBLE CEMENT COMPOSITION.

No Drawing. Application filed March 18, 1924. Serial No. 700,168.

To all whom it may concern: smooth and does not readily disintegrate; 56 Be it known that I, OLAF OLEsEN, a citiit is not inherently rough or granular, and zen of the United States, and .a resident of does not rub oil. the city of New York, borough of Manhat- The characteristic properties of this 5 tan, in the county and State of New York, cement are largely due to the presence with have invented a new and Improved Flexible cement and sand of the insoluble soaps or 60 Cement Composition, of which the followoleates of the salts used in combination with ing is a full, clear, and exact description. the excess of saponifiable oil.

This invention relates to a composition of More specifically, the composition commatter for use as a cement, and having prises the use of sand and Portland cement particular qualities which characterize it as to which is added insoluble soaps of calcium 65 a flexible cement. and zinc. Preferably, the composition com- An object of the invention is to provide prises ei ht parts of sand four parts of a composition which can be used as a cement cement our parts of mzilcium soap and and applied by a brush or trowel, or in any one part of the zinc soap. 1 similar manner, to any desired surface more The calcium soap is formed as follows: 70 or. less in the form of paint or plaster. A solution of lime water is formed by mix- Another object concerns the provision of ing five per cent of calcium oxide with a composition which when manufactured ninety-five per cent of water. Forty percan be packed in air-ti ht containers so cent of this lime water is then added to that it will keep indefinitely without hardensixty per cent of raw linseed oil. This mixing or setting, the rate of setting being exture is thoroughly agitated and left standtremely slow. ing, with occasional stirring, for twenty- A further object is the provision of a four hours. cementwhich has other characteristics here- The zinc soap is formed as follows: A

inafter set forth. mixture of 66 per cent of zinc oxide 90 In general, the invention comprises a and 33%, per cent of raw linseed oil is cement formed by the proper association of made by heating and by thoroughly; stirring sand and cement preferably Portland them together. As soon as this mlxture is *eenrentfeiflfsfiitablt insoluble soa s. These formed it is immediately mixed with equal soaps are referably p i epared o a mixture parts of raw linseed oil, and this whole mixof saponi able oil, such as linseed oil, with ture is then added to the calcium soap. This certain salts, such as zinc oxide and calcium mixture of soaps is then thoroughly agitated oxide. By reason of the composition of the and allowed to stand for twenty-four hours, 35 flexible cement, it is characterized by the with occasional stirrin a fact that it hardens very slowly, is water- At the end of this time the soap mixture roof, can be stored in containers indefiniteis added to the sand and cement, and as soon y without setting, is. flexible, so that if apas this combination is thoroughly inixed it is plied to a surface and subsequently dried packed in containers, preferably air-tight 40 completely, that surface may be bent withcontainers. The characteristics of the ocout the slightest injury to the cement. The ment are such that if it is packed as soon composition is capable of having nails or as it is completed it will last indefinitely other articles driven through it without without hardening or setting in the concracking or splitting. The surface of the tainer. 45 cement, after it has dried, may be easily It will thusbe seen that I have provided washed, vacuum cleaned or sand blasted a simple and eflicient, easily manufactured without injury. This cement is furthermore cement which has the various superior qualiodorless when dry, is fire retarding, can be ties set forth and which I am claiming in the used to replace finishing coats on walls and appended claims. 50 ceilings, and also as a paint. It may, fur- What I claim is thermore, be mixed with colors, either dry 1. A flexible cement, which comprises or in oil, without bleaching the same. It is eight parts of sand, four parts of cement, insulating to heat and electricity; the surtear parts of ac'al'cium soap, and one part face of the cement when used as a coating is of a zinc soap. i

2. A flexible cement, which comprises eight parts of sand, four parts of cement,

four parts of calcium soap, and one part of a zinc soap; the calcium soap comprising forty 6 per cent lime Water and sixty per cent raw linseed oil; the lime Water comprising five per cent calcium oxide and ninety-five per raw linseed oil.

" OLAF OLESEN. 

